diff --git a/user_guide/helpers/string_helper.html b/user_guide/helpers/string_helper.html
index 8761d0d..75cd930 100644
--- a/user_guide/helpers/string_helper.html
+++ b/user_guide/helpers/string_helper.html
@@ -8,7 +8,7 @@
 <link rel='stylesheet' type='text/css' media='all' href='../userguide.css' />

 

 <script type="text/javascript" src="../nav/nav.js"></script>

-<script type="text/javascript" src="../scripts/prototype.lite.js"></script>

+<script type="text/javascript" src="../nav/prototype.lite.js"></script>

 <script type="text/javascript" src="../nav/moo.fx.js"></script>

 <script type="text/javascript">

 window.onload = function() {